#!/bin/bash
# Program:
#        User can keyin filename to touch 3 new files.
# History:
# 2010/06/06        xuzhi       First Release
PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin
export PATH

# 1. Let user keyin filename.
echo -e "I will use 'touch' command to create 3 files."
read -p "Please input the filename what you want: " fileuser

# 2. Analyse the fileuser variable.
filename=${fileuser:-"filename"}

# 3. Use date command to get the filename.
date1=`date --date='2 days ago' +%Y%m%d`
date2=`date --date='1 days ago' +%Y%m%d`
date3=`date +%Y%m%d`
file1="$filename""$date1"
file2="$filename""$date2"
file3="$filename""$date3"

# 4. create file.
touch $file1
touch $file2
touch $file3
